code: def __init__(self, imdb_path):
      super().__init__()
      self._load_json(imdb_path)
      self._metadata = {}
  
file_path: mmf/mmf/datasets/builders/visual_dialog/database.py
imports: import json
  import torch
label_desc: Use image node_id 1 to create a new VisualDialogDatabase object from inherited base classes: torch.utils.data with example: obj = VisualDialogDatabase(imdb_path)